RLSA-2026:73429 (CVE-2026-40467)

Vulnerability from osv_rocky – Published: 2026-09-30 12:10 – Updated: 2026-10-01 00:15 – Source website
VLAI
Summary
Moderate: gawk security update
Details

The gawk packages contain the GNU version of awk, a text processing utility. Awk interprets a special-purpose programming language to do quick and easy text pattern matching and reformatting jobs.

Security Fix(es):

  • gawk: gawk: Memory corruption via integer overflow (CVE-2026-40468)

  • gawk: Gawk: Buffer overflow in ftype() routine may lead to code execution or denial of service (CVE-2026-40553)

  • gawk: gawk: Denial of Service due to Use After Free vulnerability in io.c (CVE-2026-40467)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Credits
Rocky Enterprise Software Foundation
Red Hat
References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:10",
        "name": "gawk",
        "purl": "pkg:rpm/rocky-linux/gawk?distro=rocky-linux-10\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:5.3.0-6.el10_2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "database_specific": {
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:73429"
  },
  "details": "The gawk packages contain the GNU version of awk, a text processing utility. Awk interprets a special-purpose programming language to do quick and easy text pattern matching and reformatting jobs.\n\nSecurity Fix(es):\n\n* gawk: gawk: Memory corruption via integer overflow (CVE-2026-40468)\n\n* gawk: Gawk: Buffer overflow in ftype() routine may lead to code execution or denial of service (CVE-2026-40553)\n\n* gawk: gawk: Denial of Service due to Use After Free vulnerability in io.c (CVE-2026-40467)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "RLSA-2026:73429",
  "modified": "2026-10-01T00:15:00.036212Z",
  "published": "2026-09-30T12:10:38.243683Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:73429"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499655"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499657"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499658"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:73429"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Moderate: gawk security update",
  "upstream": [
    "CVE-2026-40467",
    "CVE-2026-40468",
    "CVE-2026-40553"
  ]
}



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